Home / 8,899.48-13,351.99-6,435.19

Finding the Fourth Proportional to 8,899.48, 13,351.99 and 6,435.19

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Solution

The fourth proportional to 8,899.48, 13,351.99 and 6,435.19 is: 9,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.48 : 13,351.99 = 6,435.19 : x
  2. Step 2: Convert to fraction form
    8,899.48/13,351.99 = 6,435.19/x
  3. Step 3: Cross multiply
    8,899.48x = 13,351.99 × 6,435.19
  4. Step 4: Simplify right side
    8,899.48x = 85,922,592.53
  5. Step 5: Solve for x
    x = 85,922,592.53/8,899.48
  6. Step 6: Final answer
    x = 9,654.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.